Mark_Robson said:That's a strange one. I have a carbon bike and lots of carbon fishing rods and I haven't seen anything that looks like that. I'm no expert but I would imagine that the finish on bikes is designed to withstand flexing,as it does on rods. So if I had to guess I would say that it looks like a scratch. I would still get it checked out though as it is an area of high stress.
It's definatly not a scratch, nothing can scratch it there and the frame hasnever been lent up againt anything or been dropped or even lay on the floor. It's the dearest bike iv ever brought and I have treated it like my baby.